Results for Water Quality at Hetch Hetchy
Results for Water Quality at Hetch Hetchy
Water Quality at Hetch Hetchy
The Tuolumne River supplies 85% of the water for 2.4 million people. It originates from pristine spring snowmelt as far upstream as Mt. Lyell at an elevation of 13,114 feet.
The City and County of San Francisco protects the resources ...
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